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The Fluke 437-II series helps you locate, predict, prevent and troubleshoot Power Quality Issues – 50Hz, 60Hz and 400Hz

  • 400 Hz operation for use in avionic and military applications
  • Shipboard power measurement system analyzes according to MIL-STD 1399 to automatically give a full evaluation of voltage, current and power
  • Advanced Power Quality Health— At-a-glance power quality health data in real-time so you have the data you need, when you need it


  • Rugged mini IR thermometer with 12:1 distance to spot ratio for non-contact temperature measurements
  • Measures temperature from -32 to 535°C (-25 to 999°F)
  • Features high-resolution optics for measuring in hard-to-reach situations
  • Delivers high accuracy (1%) and repeatability (0.5%)
  • Shows MAX temperature on backlit display
  • Offers laser targeting for precise measurements


  • Ideal Digital Multimeter for “go/no-go” testing
  • Features AutoVolt automatic AC/DC voltage selection
  • Includes low input impedance to help prevent false readings due to ghost voltage
  • Presents a large white LED backlight for working in poorly lit areas
  • Measures resistance, continuity, frequency, and capacitance
  • Provides Min/Max/Average with elapsed time to record signal fluctuations


Installs and grounds in less than 5 minutes Save time with quick and easy installation with the CV Series – 5 minutes or less .
  • One technician
  • One hole with standard Greenlee® punch
  • Panel door does not need to be removed
  • Grounds instantly to metal enclosure with patent-pending AutoGround™ process
  • Maintains panel arc test ratings up to 63kA when properly installed
Work more efficiently with Fluke ClirVu® CV301 75 mm (3 in) Infrared Windows
  • NFPA 70E processes significantly reduced due to less work permit requirements
  • Faster and more comfortable inspections because full PPE is often not required
  • Reduce the risk of arc-flash and electrocution, increase the safety of your personnel and reduce the time and cost of preventive maintenance
  • CV301 is Torture Tested™ to the highest arc blast test ratings IEEE C37.20.7: 63 kA Arc tested at KEMA, UL 50/50E/50V, UL1558, IEC60529-1: IP67, IEC 60068, NEMA 4/12, CSA C22.2 NO. 14-13:2012, and CE
  • Convenience of both quick turn or security keyed access

  • True-RMS digital multimeter with the features professional technicians prefer
  • Increases productivity with manual and automatic ranging, Display Hold, Auto Hold, and Min/Max-average recording
  • Measures AC and DC voltage to 1000 V
  • Delivers accurate True-RMS AC current and voltage plus frequency, capacitance, resistance, continuity and diode measurements
  • Safety rated CAT III 1000 V, CAT IV 600 V